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ANALYSIS VERDICT

Deepgram leads on autonomy (73 vs 67), while PolyAI has no verified price. Select PolyAI for superb background noise tolerance in realistic phone environments; consider Deepgram if you prioritize industry-benchmark nova-3 speech recognition accuracy.

Metric / Feature
Autonomy Score (AES)
67/100
Core 79 · -12 setup
73/100
Core 83 · -10 setup
Value-to-Cost Ratio—5.89
Starting PriceNot verified$0/mo
Pricing Modelenterprisefreemium
Primary Strengths
  • Superb background noise tolerance in realistic phone environments
  • Handles complex multi-turn dialog without hallucination
  • Enterprise contact center integrations
  • Industry-benchmark Nova-3 speech recognition accuracy
  • Aura ultra-low latency voice synthesis
  • Free tier with initial usage credits
Tradeoffs
  • High enterprise contract floor
  • Lengthy custom deployment and voice branding cycle
  • Pure developer API requiring backend orchestration
  • Requires pairing with an external LLM provider
Common Integrations

Twilio

Unique Integrations

Salesforce, Zendesk, Genesys, Cisco

WebSockets, SIP, LiveKit, API

Pricing tier comparison

PolyAI tiers

Team Pilot
$500 /mo
  • Superb background noise tolerance in realistic phone environments
  • Standard CRM integration
  • Up to 5 active rep seats
Commercial Scale
$1,000 /mo
  • Full autonomous pipeline workflows
  • Dedicated customer success manager
  • Unlimited data lookups
Global Enterprise
Custom /annual custom
  • Custom enterprise SLA & security audit
  • Dedicated IP pool / private cloud
  • Custom webhook orchestration

Deepgram tiers

Pay as you go
$0 /month
  • Free $200 credit, then pay-as-you-go
  • No minimums, no expiration, no credit card required
  • Speech-to-text from $0.0077/min (Flux STT / Nova-3)
  • Text-to-speech from $0.0150/1k characters (Aura-1)
  • Voice Agent API from $0.075/min
  • Up to 150 concurrent streaming STT connections
Growth
$4,000 /year
  • $4,000+ / year pre-paid credits against usage
  • Save up to 20% across STT, TTS, and Voice Agent
  • Up to 225 concurrent streaming connections
  • Volume discounts
Enterprise
Custom /custom
  • Custom volume commitments & discounted rates
  • Self-hosted VPC / on-prem container deployment
  • HIPAA BAA & enterprise SLA
  • Custom concurrency & named account team

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